GNU/Linux NetGear A6100 Setup – Step-by-step Guide
How to Install NetGear A6100 WiFi Driver on GNU/Linux Distributions – Step by step Tutorial.
And the GNU+Linux NetGear A6100 Setup is based on the Realtek rtl8811AU Chipset Driver Installation.
But the Realtek rtl8812AU Driver following the Realtek Documentation is supporting also the rtl8811AU Chipset.

GNU/Linux Installing NetGear A6100 Wireless Driver